@misc{indiciae1efb03379759,
  title = {The geology of the Tertiary rocks of the central and southern parts of the Rosita quadrangle, Colorado},
  author = {Peter L. Siems},
  year = {1965},
  doi = {10.3133/ofr65147},
  url = {https://pubs.usgs.gov/publication/ofr65147},
  note = {Source identifier: ofr65147}
}